div.dx-input {
    width: 66.7%;
    text-align: center;
}
#result {
    text-align: center;
}
#info {
    margin-top: 1em;
    margin-bottom: 1em;
}
body {
    padding-bottom: 25px;
}
footer {
    height: 20px;
    left: 0;
    bottom: 0;
    width: 100%;
    position: absolute;
}

table.dx-table {
    margin: 0px auto;
    border-collapse: collapse;
    border: 1px solid #ddd;
    font-size: 18px;
}

.dx-table th, .dx-table td {
    text-align: left;
    padding: 6px;
}
.dx-table tr {
    border-bottom: 1px solid #ddd;
}
.dx-table th, .dx-table tr:hover {
    background-color: #dbdbdb;
}
mark {
    padding-top: .1em;
    padding-bottom: .1em;
    padding-left: 0em;
    padding-right: 0em;
    background-color: #dbdbdb;
}
